Bridge Limits

VEHICLES TRANSITING THE THREE NATIONS CROSSING ARE SUBJECT TO THE FOLLOWING RESTRICTIONS REGARDING HEIGHT, WIDTH, LENGTH and WEIGTH

Height

The height of all vehicles is limited to
4.73 meters or 15 ft. 6 in.

Width

The curb to curb width of the toll plaza is 3.35 meters or 11 ft.
Vehicles in excess of this width must be escorted by bridge personnel.

Length

The maximum allowable length is 29.5 meters or 85 feet.

Weight

Vehicles weighing 52,164 kg (52.5 metric tons) 115,000 lbs (57.5 U.S. tons) may transit the bridges without escort at standard rates. Those vehicles weighing between 52.5 metric tons (115,000 lbs.) and 61.2 metric tons (135,000 lbs.) must be escorted. Vehicles in excess of 61.2 metric tons may be accommodated pending the approval of our engineers. To apply, you must complete an Escort Request Form. An analysis fee is charged for vehicles that require engineering evaluation. Vehicles in need of escort arriving un-announced after normal work hours will be denied passage.